{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "159467",
    "entityType": "User",
    "nonce": "0x9a405c82335e70b66ef78191c072be047269d3400d530bbcca7d347e117287bd",
    "signature": "0x3852080fd336ff3d864165681f65b9fe66cda35189a9c38e097e98c2753df4481ff1dd1b0031fa9911cfaa55cc64a8ba73b7c2ac60a1ebb6d613f90bf4a0743c1b",
    "signer": "0x9b1a9d02F213F5C768F11FC832194b5cB665E056",
    "userId": "418702748"
  }
}